EP 2616687 B1 20180516 - COOLING SYSTEMS FOR SUBMERSIBLE PUMPS
Title (en)
COOLING SYSTEMS FOR SUBMERSIBLE PUMPS
Title (de)
KÜHLSYSTEME FÜR TAUCHPUMPEN
Title (fr)
SYSTÈME DE REFROIDISSEMENT POUR POMPES IMMERGÉES
Publication
Application
Priority
- LU 91731 A 20100913
- EP 2011065859 W 20110913
Abstract (en)
[origin: WO2012035016A1] A pump (1) is disclosed, the pump (1) comprising a shaft (21) for driving an impeller (81) in a pump chamber (80); an electrical motor chamber (60) extending essentially circumferentially around a motor section of the shaft (21); a cooling circuit chamber (30) for being filled with a cooling liquid; and a mechanical seal chamber (40) extending essentially circumferentially around a seal section of the shaft (21), with the mechanical seal chamber (40) adapted for being filled with oil. The pump (1) may be a submersible pump.
IPC 8 full level
F04D 13/08 (2006.01); F04D 29/06 (2006.01); F04D 29/12 (2006.01); F04D 29/58 (2006.01)
CPC (source: EP US)
F04D 13/08 (2013.01 - EP US); F04D 13/086 (2013.01 - US); F04D 15/0263 (2013.01 - EP); F04D 25/0686 (2013.01 - US); F04D 29/06 (2013.01 - US); F04D 29/061 (2013.01 - EP US); F04D 29/12 (2013.01 - US); F04D 29/126 (2013.01 - EP US); F04D 29/58 (2013.01 - US); F04D 29/5806 (2013.01 - EP); F04D 29/588 (2013.01 - US)
Citation (examination)
- EP 1908960 A1 20080409 - SNECMA [FR]
- DE 528898 C 19310704 - JENNY ELFRIEDE LOEFFLER GEB BO
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2012035016 A1 20120322; EP 2616687 A1 20130724; EP 2616687 B1 20180516; LU 91731 B1 20120314; US 2013183178 A1 20130718; US 9297386 B2 20160329
DOCDB simple family (application)
EP 2011065859 W 20110913; EP 11755078 A 20110913; LU 91731 A 20100913; US 201113822549 A 20110913